Kazusa (和紗) (born July 2, 1989) is a Japanese pop singer-songwriter signed to Sony Music Entertainment. Born and influenced by her father who is a drummer, Kazusa's childhood was surrounded by music. She started to learn piano since the age of three. During elementary school, Kazusa entered the school's choir and her dream was to become a singer. Starting high school, she formed the school's girl group CanCan. After her graduation, CanCan was disbanded and she performed with E-Pro under the name Kazusa with E-Pro until she met producer Kawaguchi Daisuke.